Is it reliable to sign a 9 1 visa for going abroad?

Visa refers to the endorsement, seal and attachment (such as a separate visa) by the administrative organ of a country or region on the passport or other travel documents held by citizens who are not from this country or region to show that they are allowed to enter or leave the country (or go to a third country through their country).

Extended data:

1 visa overview

Visa is a kind of license issued by a government agency of a country according to its own laws to foreigners who apply for entry, exit or transit.

According to the principles of international law, any sovereign country has the right to decide whether to allow foreigners to enter or leave the country, and to issue visas, refuse to issue visas or announce the cancellation of visas already issued according to its own laws.

The visa is usually attached to the passport or other international travel documents held by the applicant. Under special circumstances, valid passports or other international travel documents can be written on a separate sheet. With the progress of science and technology, some countries began to issue electronic visas and biological visas, which greatly enhanced the anti-counterfeiting function of visas.

Visa plays an important role in checking and controlling entry-exit personnel, protecting national security and preventing illegal immigrants and criminals.

Passport is the holder's nationality and identity certificate, and visa is the permission certificate of a sovereign country to allow foreign citizens or their own citizens to enter, exit or transit.

Visas are generally endorsed on passports, some are endorsed on other travel documents instead of passports, and some are issued separately. For example, immigration visas in the United States and Canada are A4 paper, and Singapore also issues separate paper visas to foreigners. Generally speaking, a visa must be used at the same time as a passport to be valid.

2 visas and passports

Passport is the holder's nationality and identity certificate, and visa is the permission certificate of a sovereign country to allow foreign citizens or their own citizens to enter, exit or transit.

Visas are generally endorsed on passports, some are endorsed on other travel documents instead of passports, and some are issued separately. For example, immigration visas in the United States and Canada are A4 paper, and Singapore also issues separate paper visas to foreigners. Generally speaking, a visa must be used at the same time as a passport to be valid.

Three main functions

Visa sample visa is a measure taken by a sovereign country to safeguard its sovereignty, dignity, security and interests. Visa is an important means for a sovereign country to implement entry and exit management. Citizens of a country who want to travel, settle down, do business and study in other countries must have valid passports or travel documents, and another condition is to obtain visas to other countries. Under normal circumstances, a country issues visas to foreigners on the principle of equality and reciprocity between foreign countries and their nationals, and provides the same preferential treatment and convenience for the nationals of the two countries to interact with each other. However, there are also visa-free countries, such as 18 visa-free countries with China passports and 130 visa-free countries with American passports.